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Code Issues Packages Projects Releases 6 Wiki Activity

machine/rp2040: correct issue with spi pin validation

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Signed-off-by: deadprogram <ron@hybridgroup.com>
This commit is contained in:
deadprogram
2023-02-23 18:52:24 +01:00
committed by Ron Evans
parent 6df303ff19
commit ad1da7d26f
1 changed files with 9 additions and 7 deletions
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src/machine/machine_rp2040_spi.go
+9 -7
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@@ -181,22 +181,24 @@ func (spi SPI) Configure(config SPIConfig) error {
var okSDI, okSDO, okSCK bool
switch spi.Bus {
case rp.SPI0:
okSDI = config.SDI == 0 || config.SDI == 4 || config.SDI == 17
okSDI = config.SDI == 0 || config.SDI == 4 || config.SDI == 16
okSDO = config.SDO == 3 || config.SDO == 7 || config.SDO == 19
okSCK = config.SCK == 2 || config.SCK == 6 || config.SCK == 18
case rp.SPI1:
okSDI = config.SDI == 8 || config.SDI == 12
okSDO = config.SDO == 11 || config.SDO == 15
okSDO = config.SCK == 10 || config.SCK == 14
okSDI = config.SDI == 8 || config.SDI == 12 || config.SDI == 28
okSDO = config.SDO == 11 || config.SDO == 15 || config.SDO == 27
okSCK = config.SCK == 10 || config.SCK == 14 || config.SCK == 26
}
if !okSDI {
switch {
case !okSDI:
return errSPIInvalidSDI
} else if !okSDO {
case !okSDO:
return errSPIInvalidSDO
} else if !okSCK {
case !okSCK:
return errSPIInvalidSCK
}
if config.DataBits < 4 || config.DataBits > 16 {
config.DataBits = 8
}